Stephen Witanowski, MD
NPI 1003040726 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Witanowski, MD is a Internal Medicine Physician provider in Baltimore, MD (NPI 1003040726).
Provider details
- NPI number
- 1003040726
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0080458 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-05-09
- Last updated
- 2016-01-25
Frequently asked questions
- What is Stephen Witanowski's NPI number?
- Stephen Witanowski's National Provider Identifier (NPI) is 1003040726, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Witanowski's specialty?
- Stephen Witanowski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Witanowski located?
- Stephen Witanowski's practice location on file with NPPES is 2700 Quarry Lake Dr, Baltimore, MD 21209-3742.
- What is Stephen Witanowski's phone number?
- The practice phone number listed in the NPPES registry for Stephen Witanowski is (410) 469-5544.
- Does Stephen Witanowski accept Medicare?
- Stephen Witanowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Witanowski's NPI active?
- Yes — Stephen Witanowski's NPI (1003040726) is active in the NPPES registry as of the last update on 2016-01-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.